Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/frame/LocalFrame.h

Index: sky/engine/core/frame/LocalFrame.h
diff --git a/sky/engine/core/frame/LocalFrame.h b/sky/engine/core/frame/LocalFrame.h
index eeab185de10f38235eb43b05c2e6505bae06391d..99c6873a00069e7edf053488014195ac9570456c 100644
--- a/sky/engine/core/frame/LocalFrame.h
+++ b/sky/engine/core/frame/LocalFrame.h
@@ -37,6 +37,7 @@
 namespace blink {
 
     class Color;
+    class DartController;
     class Document;
     class Editor;
     class Element;
@@ -56,7 +57,6 @@ namespace blink {
     class Node;
     class Range;
     class RenderView;
-    class ScriptController;
     class SpellChecker;
     class TreeScope;
     class TreeScope;
@@ -92,7 +92,7 @@ namespace blink {
         FrameSelection& selection() const;
         InputMethodController& inputMethodController() const;
         FetchContext& fetchContext() const;
-        ScriptController& script();
+        DartController& dart();
         SpellChecker& spellChecker() const;
         FrameConsole& console() const;
 
@@ -126,7 +126,7 @@ namespace blink {
 
         RefPtr<FrameView> m_view;
 
-        OwnPtr<ScriptController> m_script;
+        OwnPtr<DartController> m_dart;
         const OwnPtr<Editor> m_editor;
         const OwnPtr<SpellChecker> m_spellChecker;
         const OwnPtr<FrameSelection> m_selection;
@@ -141,9 +141,9 @@ namespace blink {
         return m_view.get();
     }
 
-    inline ScriptController& LocalFrame::script()
+    inline DartController& LocalFrame::dart()
     {
-        return *m_script;
+        return *m_dart;
     }
 
     inline FrameSelection& LocalFrame::selection() const